| Number | Name | Date | Kind |
|---|---|---|---|
| 4156734 | Stone | May 1979 | |
| 4816463 | Blankley et al. | Mar 1989 | |
| 4880804 | Carini et al. | Nov 1989 |
| Number | Date | Country |
|---|---|---|
| 253310 | Jan 1988 | EPX |
| 323841 | Jul 1989 | EPX |
| Entry |
|---|
| P. C. Wong et al, J. Pharmacol. Exp. ther., 247(1), 1-7 (1988). |
| A. T. Chiu et al, European J. Pharmacol., 157, 13-21 (1988). |
| A. T. Chiu et al, J. Pharmacol. Exp. Ther., 250)3), 867-874 (1989). |
| S. Massa et al, Arch. Pharm., 322(6), 369-373 (1989). |